This anomaly applies to Revision 2, build codes QFAA-C00, CAAA-C00, QDAA-C00, QGAA-C00.
It was inherited from the previous SoC revision Revision 1.
Symptoms
GPR x1 (ra) is not updated.
Conditions
VPR enters sleep in VPR hibernate mode multiple times without powering down.
Consequences
The VPR application might misbehave.
Workaround
After waking up from sleep in VPR hibernate mode, issue an APB write with VPR anywhere inside its own RTP or CPUCTRL peripheral address range.